SELECT LOWER(DATE_FORMAT('2010-04-13','%e %M, %W')) date; 
+--------------------+ 
| date               | 
+--------------------+ 
| 13 ??????, ??????? | 
+--------------------+ 
1 row in set (0.00 sec) 

SHOW VARIABLES LIKE 'character%'; 
+--------------------------+----------------------------+ 
| Variable_name            | Value                      | 
+--------------------------+----------------------------+ 
| character_set_client     | latin1                     | 
| character_set_connection | latin1                     | 
| character_set_database   | latin1                     | 
| character_set_filesystem | binary                     | 
| character_set_results    | latin1                     | 
| character_set_server     | latin1                     | 
| character_set_system     | utf8                       | 
| character_sets_dir       | /usr/share/mysql/charsets/ | 
+--------------------------+----------------------------+ 
8 rows in set (0.00 sec) 

SELECT LOWER(DATE_FORMAT('2010-04-13','%e %M, %W')) date;
+-------------------+
| date              |
+-------------------+
| 13 april, tuesday |
+-------------------+
1 row in set (0.00 sec)

SET lc_time_names = 'ru_RU';
Query OK, 0 rows affected (0.00 sec)
 
SELECT LOWER(DATE_FORMAT('2010-04-13','%e %M, %W')) date;
+--------------------+
| date               |
+--------------------+
| 13 ??????, ??????? |
+--------------------+
1 row in set (0.00 sec)

[mysqld]
init_connect=‘SET collation_connection = utf8_unicode_ci’
character-set-server = utf8
collation-server = utf8_unicode_ci
set-variable = lc_time_names=ru_RU

[client]
default-character-set = utf8